- struct block_device * blkdev_get_by_path(const char * path, fmode_t mode, void * holder);
- path to the block device to open
- FMODE_* mask
- exclusive holder identifier
Open the blockdevice described by the device file at path. mode and holder are identical to blkdev_get.
On success, the returned block_device has reference count of one.
Pointer to block_device on success, ERR_PTR(-errno) on failure.